1. Choose suitable varieties. According to local conditions, select the best varieties suitable for the road, according to the heat resources and production of Changzhi County, you should choose mid-late mature varieties with a growth period of 120 to 130 days. 2. Fine land preparation. Spring corn requires deep cultivation, the sooner the autumn cultivation, the better. The timely stubble tillage after the first crop is harvested is beneficial to soil maturation, water storage and moisture retention, and elimination of diseases, insects, and weeds. After plowing, it must be raked to protect the soil. In late autumn and early spring, we must also carry out raking and protecting the soil. In areas with severe spring and drought, continuous operations of pressing, raking, and digging are used to make the soil compact, which is more conducive to improving soil moisture. Sowing can be carried out directly in places where soil moisture is good, and supplementary sowing should be taken in places where soil moisture is not enough. 3. Seed selection and treatment. It is best to choose coated seeds when buying seeds. Before sowing, seeds that have not been coated should be treated for seed selection, seed drying and medicinal seed dressing. 50g of phoxim 50% emulsifiable concentrate can be used for seed dressing. After mixing with 1.0kg of water, it can be evenly sprayed on 20-30kg of seeds. The seeds can be spread for 3 to 4 hours. After sowing, sowing can effectively prevent underground pests; use 25% Fen Ningning wettable powder is seeded at 0.3% ~ 0.5% of the seed amount, or 12.5% ​​fast Pauli wettable powder is seeded at 0.4% ~ 0.5% of the seed amount, which can effectively prevent diseases such as corn smut occur. Fourth, sowing in time. Premature sowing of spring maize can easily cause low-temperature rotten seeds and uneven emergence, and too late sowing can result in late grains failing to mature normally. When the surface temperature of the soil surface is 5-10 cm deep and the temperature is above 10-12 ° C, sowing can be carried out. 5. Apply plantar fertilizer. Due to the long growth period of spring corn, the principle of using multiple fertilizers should be mastered when using base fertilizer. The organic fertilizer should be applied early as a base fertilizer. Combined with site preparation, it should be applied at a time. Generally, 2000 kg of organic fertilizer is applied per mu. At the same time, with the application of chemical fertilizers, 30% of the total nitrogen fertilizer can be applied as a base fertilizer. Phosphorus and potassium fertilizers can be applied as seed fertilizers at a time when sowing. Generally, 15 kg of diammonium phosphate, 10 kg of potassium sulfate, and sulfuric acid Zinc 1 ~ 1.5 kg. 6. Reasonable dense planting. Increasing planting density is an important factor to achieve high yield of spring corn. The planting density of plots with high soil fertility is generally above 4000 plants; the plots with low soil fertility are preferably 3500-4000 plants per mu, and the sowing volume per mu is 2-2.5 kg. 7. Chemical weeding technology. We must choose safe and reliable special herbicides for corn fields, and master their correct use. Generally, the chemical herbicides used in spring corn fields can be selected from soil treatment agents such as ethyl a mixture. For the plots with poor soil sealing treatment effect, when the corn is in the 3 to 5 leaf stage and the weeds are growing in the 2 to 4 leaf stage, use 4% Yunongle Suspension 100 mu per mu, and the water volume is 30 to Spray 50 kg to kill weeds. Disclaimer: Some articles of this website are transferred from the Internet. If the legal rights of third parties are involved, please inform this website for processing. phone Fruit And Vegetables Cutting Machine fruit and vegetables be cut into clivers, pcs, and cubes Industrial Vegetable Cutting Machine,Vegetable Cutting Machine,Commercial Vegetable Cutting Machine,Fruit Dicing Machine JIANGSU SKYPLAN GREENHOUSE TECHNOLOGY CO.,LTD , https://www.thgreenhouse.com